87601212 has 36 divisors (see below), whose sum is σ = 221837616. Its totient is φ = 29147520.

The previous prime is 87601177. The next prime is 87601219. The reversal of 87601212 is 21210678.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87601219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21412 + ... + 25172.

It is an arithmetic number, because the mean of its divisors is an integer number (6162156).

Almost surely, 2^87601212 is an apocalyptic number.

It is an amenable number.

87601212 is an abundant number, since it is smaller than the sum of its proper divisors (134236404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87601212 is a wasteful number, since it uses less digits than its factorization.

87601212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418 (or 4413 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 87601212 is about 9359.5519123514. The cubic root of 87601212 is about 444.1231092756.

The spelling of 87601212 in words is "eighty-seven million, six hundred one thousand, two hundred twelve".